How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
This article briefly introduces the methods for reducing errors in detecting AC voltages. ...
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
This article briefly introduces what is a LED emission tube and how to detect it ...
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
This article introduces what is an optical coupler and how to measure it ...
How to design the hardware of the Ethernet interface?
On 2021-06-07 10:50:44 in Generally electronic component
This article describes the characteristics of the interface. ...
What is the role of the transistor?
On 2018-12-05 11:31:53 in Generally electronic semiconductor
This article briefly introduces the role of the transistor ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
Photosensitive resistor
On 2018-10-31 11:15:12 in Resistors
Photoresistor is a device made of semiconductor photoelectric effect principle.When the semiconductor is exposed to light ...
The type and technical index of the moving-coil microphone
On 2018-11-01 14:13:26 in Generally electronic component
The type and detection method of microphone is a device that converts sound energy into an audio Telecom number,also called a microphone ...
What are the five major electronic components?
On 2018-12-01 11:49:17 in Technology
This article briefly introduces the five major electronic components。 ...
What is an optical coupler?
On 2018-10-27 10:41:35 in Memory
Optical coupler also known as photoelectric isolator,referred to as optocoupler. Optical couplers use light as a medium to propagate the Telecom number ...
How do filter capacitors and common mode inductors eliminate electromagnetic interference?
On 2019-08-12 10:30:07 in Capacitors
This article describes the characteristics of the filter capacitors. ...
The promising future of FPGA for image processing will be larger and larger
On 2019-07-15 10:52:22 in Generally electronic component
This article describes that the promising future of FPGA for image processing will be larger and larger ...
What is the detection principle of fiber optic sensors?
On 2020-12-03 13:43:10 in Sensor
This article describes the characteristics of the fiber optic sensors. ...
What are the main parameters and types of LEDs and how to detect LED?
On 2018-12-14 13:55:28 in Photoelectric
This article writes about the the main parameters and types of LEDs and how to detect LED ...
The main parameters of LED
On 2018-10-31 11:11:54 in Memory
The main parameters of LED include the maximum working current Im and the maximum reverse voltage Um ...
Seven steps of PCB layout and wiring and circuit board design skills
On 2023-07-08 15:50:26 in PCBA
PCB layout and routing is a crucial step in circuit board design, which determines circuit performance and reliability. This article will introduce the seven steps of PCB layout and routing, and share some circuit board design skills, aiming to help impro ...
L298N DC motor drive chip.
On 2020-05-05 10:28:09 in Generally electronic semiconductor
This article describes the characteristics of the L298N DC motor drive chip. ...
Basic operation steps of manual welding
On 2018-12-11 13:39:56 in Technology
This article introduces the basic operation steps of manual welding ...
Quality requirements for solder joints
On 2018-12-01 11:35:46 in Technology
This article describes the quality requirements for solder joints ...
What is the etching process and packaging process of the MEMS pressure sensor?
On 2023-12-27 16:04:05 in Sensor
This article describes the characteristics of the MEMS pressure sensor. ...
What are the principles, characteristics and applications of the thermal conductivity gas sensor MTCS2601?
On 2023-08-23 18:18:45 in Sensor
This article describes the characteristics of the gas sensor MTCS2601. ...
What are the requirements for NDIR carbon dioxide sensor used in incubator?
On 2023-08-16 18:00:15 in Sensor
This article describes the characteristics of the NDIR carbon dioxide sensor. ...
How it Works about the O2 sensor?
On 2018-12-17 11:12:19 in Sensor
This article describes works principles of the O2 sensor ...
What is a field-effect transistor?
On 2018-12-13 14:34:17 in Knownlege
This article writes about the field-effect transistor ...
Common parameters
On 2018-10-30 11:49:42 in Memory
peak height refers to the peak soldering PCB to eat tin height ( Figure 2-1 1 43 ) ...
Insulation resistance
On 2018-12-11 14:12:15 in Knownlege
This article briefly introduces insulation resistance ...
What is the spiral nanopore data storage based on polarization encryption?
On 2019-07-31 10:56:08 in Generally electronic semiconductor
This article describes the characteristics of the spiral nanopore data storage. ...
How to detect the Field effect transistor quality and replace the bad one ?
On 2019-03-23 11:36:39 in Generally electronic semiconductor
This article writes about the detection and replacement of Field effect transistor quality ...
How to judge a capacitor is good or bad and replace the bad one?
On 2019-03-11 12:00:02 in Technology
This article describes the method to judge a capacitor is good or bad and replace the bad one ...
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
This article describes some konwnledge that you should know before solder. ...
What are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
This article introduces some common transistors ...
What is a damped line output transistor?
On 2018-10-27 11:06:35 in Relays
The line output high power transistor with a damping transistor is a special tube in the output circuit of the television.Figure 6A shows the internal structure and equivalent circuit of the output transistor with damping line ...
Is the LED display a liquid crystal display?
On 2018-12-04 11:19:23 in Knownlege
This article briefly introduces the display liquid crystal display ...
Pin identification and detection method of LED digital tube
On 2019-01-05 12:09:49 in Photoelectric
This article describes the pin identification and detection method for LED digital tube ...
The identification of model and pin
On 2018-11-01 16:51:26 in Relays
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
What are the applications of Hall effect sensors?
On 2021-01-27 10:51:52 in Sensor
Application areas of Hall effect sensors. ...
What are the applications of Hall effect sensors?
On 2020-11-26 11:17:27 in Sensor
This article describes the characteristics of the Hall effect sensors. ...
What are the classifications of programmable logic devices?
On 2023-08-17 18:01:14 in IC Chips
This article describes the characteristics of the programmable logic devices. ...
What are the features and use note of CMOS circuit?
On 2019-01-09 14:07:06 in Knownlege
This article describes the features and use note of CMOS circuit ...